<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- import CSS -->
    <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
    <style>
        .c1{
            border: 1px solid red;
            border-radius: 5px;
            height: 50px;
        }
    </style>
</head>
<body>
<div id="app">
    <!--el-row表示行-->
    <el-row>
        <!--el-col表示列  span设置所占的列数 总共24列-->
        <el-col span="12"><div class="c1"></div></el-col>
        <el-col span="12"><div class="c1"></div></el-col>
    </el-row>
    <!--gutter设置间距-->
    <el-row gutter="10">
        <el-col span="6"><div class="c1"></div></el-col>
        <el-col span="6"><div class="c1"></div></el-col>
        <el-col span="6"><div class="c1"></div></el-col>
        <el-col span="6"><div class="c1"></div></el-col>
    </el-row>
    <el-row gutter="20">
        <el-col span="16"><div class="c1"></div></el-col>
        <el-col span="8"><div class="c1"></div></el-col>
    </el-row>
    <div style="width: 1200px;margin: 0 auto">
        <el-row gutter="20">
            <el-col span="12"><div class="c1"></div></el-col>
            <el-col span="12"><div class="c1"></div></el-col>
        </el-row>
    </div>
    <!--练习1:  居中 1:2:3 10个像素的间距-->
    <div style="width: 1200px;margin: 0 auto">
        <el-row gutter="10">
            <el-col span="4"><div class="c1"></div></el-col>
            <el-col span="8"><div class="c1"></div></el-col>
            <el-col span="12"><div class="c1"></div></el-col>
        </el-row>
    </div>
    <!--练习2:  居中 1:1:3:1 20个像素的间距-->
    <div style="width: 1200px;margin: 0 auto">
        <el-row gutter="20">
            <el-col span="4"><div class="c1"></div></el-col>
            <el-col span="4"><div class="c1"></div></el-col>
            <el-col span="12"><div class="c1"></div></el-col>
            <el-col span="4"><div class="c1"></div></el-col>
        </el-row>
    </div>
    <!--练习3:  6等份  5个像素的间距(使用v-for)-->
    <el-row gutter="20">
        <el-col span="4" v-for="item in 6"><div class="c1"></div></el-col>
    </el-row>
    <h1>列偏移</h1>
    <el-row>
        <!--offset设置偏移的列数-->
        <el-col span="20" offset="4"><div class="c1"></div></el-col>
    </el-row>

</div>
</body>

<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
    let v = new Vue({
        el: '#app',
        data: function () {
            return {}
        },
        methods: {}
    })
</script>
</html>